OpenTechnical

OT-2026-000071795

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000071795) never changes.

Identity and time

Publication numberOT-2026-000071795 · never reused
Internal UUID01a0ae92-1e92-713d-95f4-a400a69e92d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071795
StatusPUBLIC

Content hashes

Canonical text53b79f90a1a5912ebb8e62d36bc24d0ec645c1ec32675a7bef51cca974c65917
Markdownbb3ce82b7741e929db73ae7b6081a61991c48cd7a35936eabea74ae2384b0458
PDF
Publication page8f7dbe460136fb845fda6d3b0a5a1ec6c7449d82d7c6d10d6740c5a849520d99
Manifest99f3b780399f92009c2d702f40932fc5a7d1c26dced8349a8d45051eb3aa52ed

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureEsN3V8l4xpZHGcmQqoBBsGIC9bk+D5LZRzt8qs3tMb0SFoJ7Zyv6XknTmZ5gmOi2IZl3qKWafFcZQfxkR1mWDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:23:57.756889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071795
observed 8f7dbe460136fb845fda6d3b0a5a1ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.740701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071795/manifest.json
observed 99f3b780399f92009c2d702f40932fc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.722996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071795/publication.md
observed bb3ce82b7741e929db73ae7b6081a619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.705471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071795/publication.txt
observed 53b79f90a1a5912ebb8e62d36bc24d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.